$35 is for version 10 (version supporter)
$70 is for lifetime (skins and all versions)
Memory might be a bit low, if you can increase it I would
Simpletouch fe is just a touch screen interface, that loads a program, so no problems on that score.
You would go to the main website
http://www.freeboxjukebox.com/ click on donate and then post in here that you have made a donation.
After that your forum status will be updated, and then you can see the builds etc.
Regards
Mark